2012 hot QTZ50A(4810) Tower Crane

Robot welding line,, Impeller Blasting & Rust Protection Paint, CNC plasma cutting machine, Double-faced milling machines - details see: https://www.machineto.com/2012-hot-qtz50a-4810-tower-crane-10103706

Feature:Tower Crane	Condition:New	Application:Constrction,Bridge,Wharf etc	Rated Loading Capacity:4t
Rated Lifting Moment:500KN.M	Max. Lifting Load:4t	Max. Lifting Height:120M	Span:3-48m
Place of Origin:Shandong China (Mainland)	Brand Name:Dahan	Model Number:QTZ50 (4810)	Load Capacity at Jib end:1.0t
Mast section dimension:1.51.52.2	Main chord:16016012	free standing height:29m	material:Q345B manganese steel
Electrical equipment:Schneider contactor	Painting Progress:Impeller Blasting & Rust Protection Paint	Voltage & frequency:380v/50hz,380v/60hz,400v/50hz,440v/60hz	color:blue/yellow/red
temperature:-20~40

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name		unit	parameter
Rated Load moment		KN·m	500
MAX hoisting capacity		t	4
Rated hoisting capacity max radius		t	0.9
Working radius		m	50
height	Freestanding	m	29
	attaching	m	120
hoisting speed	Double rate		a=2	a=4
	lifting speed	m/min	32/16/4.5	64/32/9
Slewing speed		r/min	0.62
derricking speed		m/min	39/26
The max. slewing radius		m	49
Tail slewing radius		m	13
Temperature of working environment		-20+40

Load diagram
Jib (m)	Fall	R(Cmax) m	C(max) t	26	28	31	34	37	40	43	46	48	50
48	α=4	13.55	4.00	1.97	1.81	1.61	1.44	1.31	1.19	1.09	1.00	0.95
48	α=2	26.00	2.00	2.00	1.89	1.68	1.50	1.36	1.24	1.13	1.04	0.98
50	α=4	14.50	4.00	2.07	1.90	1.68	1.50	1.35	1.22	1.11	1.01	0.95	0.90
50	α=2	27.00	2.00	2.00	1.92	1.70	1.52	1.37	1.24	1.13	1.03	0.98	0.90